Home / 60,741.21-91,112.63-21,299.48

Finding the Fourth Proportional to 60,741.21, 91,112.63 and 21,299.48

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Solution

The fourth proportional to 60,741.21, 91,112.63 and 21,299.48 is: 31,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,741.21 : 91,112.63 = 21,299.48 : x
  2. Step 2: Convert to fraction form
    60,741.21/91,112.63 = 21,299.48/x
  3. Step 3: Cross multiply
    60,741.21x = 91,112.63 × 21,299.48
  4. Step 4: Simplify right side
    60,741.21x = 1,940,651,078.37
  5. Step 5: Solve for x
    x = 1,940,651,078.37/60,741.21
  6. Step 6: Final answer
    x = 31,949.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.